glassTunnel

lenHoriz = 5
lenVert = 10
tunnelHeig = 5
function placeHorizontalBackwards()
for x=1,lenHoriz do
turtle.placeDown()
turtle.forward()
end
end
function placeHorizontal()
turtle.turnRight()

for x = 1,lenHoriz do
  turtle.placeDown()
  turtle.forward()
end
end

function returnLeft()
turtle.turnLeft()
turtle.turnLeft()
for x = 1,lenHoriz do
turtle.forward()

end
turtle.turnRight()

end

function placeVert()
 turtle.turnLeft()
 for x = 1,tunnelHeig do
 turtle.place()
 turtle.up()


 end
 turtle.up()
 turtle.turnRight()
 placeHorizontal()
 turtle.down()
 for x=1,tunnelHeig do

    turtle.down()
    turtle.placeUp()

 end
  turtle.turnLeft()
  turtle.turnLeft()
  placeHorizontalBackwards()




end
function sort()

 if turtle.getItemCount(turtle.getSelectedSlot()) < 1 then
   k = turtle.getSelectedSlot()
   k = k + 1
   turtle.select(k)

 end


end

for i = 1,lenVert do

placeVert()
turtle.turnRight()
turtle.forward()
sort()
end